SD

Sergei I. Dolgov

Overall (All Time): #2,368,904 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4244204 Mill stand Vladimir N. Vydrin, Valery V. Pastukhov, Leonid A. Barkov, Pavel M. Sychev, Dmitry S. Novikov +4 more 1981-01-13
4192165 Roll mill stand Vladimir N. Vydrin, Leonid A. Barkov, Valery V. Pastukhov, Vladimir S. Sysoev 1980-03-11